<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <!-- 适配手机端 -->
    <meta name="viewport" content="width=device-width, initial-scale=1.0">  
    <title>Document</title>
</head>
<!-- react核心库 -->
<script src="../React-js/react.development.js"></script>
<!-- 操作DOM支持库 -->
<script src="../React-js/react-dom.development.js"></script>
<!-- babel转换库  jsx-js -->
<script src="../React-js/babel.min.js"></script>
<body>
    <div id="test"></div>
    <script type="text/javascript">
        // 1、创建虚拟dom jsx 语法  React.createElement(标签,标签属性,内容)
        const Vdom = React.createElement('h1',{id:'id1',name:'2'},React.createElement('span',{id:'id2',name:'2'},'js创建虚拟dom'))
        // 2、渲染页面   ReactDOM.render(虚拟dom,需要渲染的节点)
        ReactDOM.render(Vdom,document.getElementById('test'))
    </script>    
</body>
</html>